Explaining the Universe: The New Age of Physics
Princeton University Press, 05.06.2018 - 226 Seiten
In this fascinating book, John Charap offers a panoramic view of the physicist's world as the twenty-first century opens--a view that is entirely different from the one that greeted the twentieth century. We have learned that the universe is billions of galaxies larger than we imagined--and billions of years older. We know more about how it came to be and what it is. Because of physics, we live in a world of greater danger and more convenience, smaller particles and bigger ideas.
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Some of the basic physical quantities have been measured to better than one part in a million million, and some measurements agree with what theory predicts to that accuracy. It is hard to comprehend what this precision means; ...
... theory of relativity and the change in our understanding of elementary particles brought about by bringing it together with quantum mechanics. Relativistic quantum mechanics led to the prediction of antimatter and to the recognition.
chanics led to the prediction of antimatter and to the recognition that particles were not permanent, immutable units, like the atoms imagined by the ancient Greeks, but rather could be created or destroyed.
The Scottish physicist James Clerk Maxwell had predicted the existence of electromagnetic waves and identified light as a manifestation of these waves. But what was the medium that carried them? Larmor asked if it was “merely an ...
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11 IN THE BEGINNING
12 DOWN TO EARTH
Suggestions for Further Reading
Index of Names
9 WEIGHTY MATTERS